Home / 821,529.60-1,232,121.60-348,230.40

Finding the Fourth Proportional to 821,529.60, 1,232,121.60 and 348,230.40

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Solution

The fourth proportional to 821,529.60, 1,232,121.60 and 348,230.40 is: 522,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,529.60 : 1,232,121.60 = 348,230.40 : x
  2. Step 2: Convert to fraction form
    821,529.60/1,232,121.60 = 348,230.40/x
  3. Step 3: Cross multiply
    821,529.60x = 1,232,121.60 × 348,230.40
  4. Step 4: Simplify right side
    821,529.60x = 429,062,197,616.64
  5. Step 5: Solve for x
    x = 429,062,197,616.64/821,529.60
  6. Step 6: Final answer
    x = 522,272.35

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